Integrating transcriptomics and biochemical analysis to understand the interactive mechanisms of the coexisting exposure of nanoplastics and erythromycin on Chlorella pyrenoidosa
Chemosphere. 2023 Dec 5:140869. doi: 10.1016/j.chemosphere.2023.140869. Online ahead of print.ABSTRACTNanoplastics and antibiotics frequently co-exist in water polluted by algal blooms, but little information is available about interaction between substances. Erythromycin, as a representative of antibiotics, has been frequently detected in aquatic environments. This investigation attempted to reveal the interaction mechanism of nanoplastics and erythromycin on Chlorella pyrenoidosa. Results demonstrated that the joint toxicity of erythromycin and nanoplastics was dynamic and depended on nanoplastics concentration. Antagoni...
Source: Chemosphere - December 7, 2023 Category: Chemistry Authors: Wenfeng Yang Pan Gao Dongyang Liu Wei Wang Hanzhi Wang Liandong Zhu Source Type: research

Integrating transcriptomics and biochemical analysis to understand the interactive mechanisms of the coexisting exposure of nanoplastics and erythromycin on Chlorella pyrenoidosa
Chemosphere. 2023 Dec 5:140869. doi: 10.1016/j.chemosphere.2023.140869. Online ahead of print.ABSTRACTNanoplastics and antibiotics frequently co-exist in water polluted by algal blooms, but little information is available about interaction between substances. Erythromycin, as a representative of antibiotics, has been frequently detected in aquatic environments. This investigation attempted to reveal the interaction mechanism of nanoplastics and erythromycin on Chlorella pyrenoidosa. Results demonstrated that the joint toxicity of erythromycin and nanoplastics was dynamic and depended on nanoplastics concentration. Antagoni...
Source: Chemosphere - December 7, 2023 Category: Chemistry Authors: Wenfeng Yang Pan Gao Dongyang Liu Wei Wang Hanzhi Wang Liandong Zhu Source Type: research

Integrating transcriptomics and biochemical analysis to understand the interactive mechanisms of the coexisting exposure of nanoplastics and erythromycin on Chlorella pyrenoidosa
Chemosphere. 2023 Dec 5:140869. doi: 10.1016/j.chemosphere.2023.140869. Online ahead of print.ABSTRACTNanoplastics and antibiotics frequently co-exist in water polluted by algal blooms, but little information is available about interaction between substances. Erythromycin, as a representative of antibiotics, has been frequently detected in aquatic environments. This investigation attempted to reveal the interaction mechanism of nanoplastics and erythromycin on Chlorella pyrenoidosa. Results demonstrated that the joint toxicity of erythromycin and nanoplastics was dynamic and depended on nanoplastics concentration. Antagoni...
Source: Chemosphere - December 7, 2023 Category: Chemistry Authors: Wenfeng Yang Pan Gao Dongyang Liu Wei Wang Hanzhi Wang Liandong Zhu Source Type: research

Indigenous microalgae strains characterization for a sustainable biodiesel production
This study identified and analyzed indigenous microalgae strains for biodiesel production, specifically Chlorella vulgaris and Coelastrella thermophila var. globulina, from two distinct locations in Algeria. Molecular identification confirmed their identity, and the microalgae exhibited notable growth characteristics. Local Chlorella vulgaris and Coelastrella thermophila var. globulina showed a good growth and high biomass yield, compared to Chlorella vulgaris CCAP211/11B reaching a weight of 1.48 g/L, 1.95g/L and 2.10 g/L, respectively. Lipids content of local Chlorella vulgaris, Coelastrella thermophila var. globulina, a...
Source: Biotechnology Journal - December 5, 2023 Category: Biotechnology Authors: Mohammed Amouri Majda Aziza Fayrouz Kaidi Maryline Abert Vian Farid Chemat Abdeltif Amrane Mariana F G Assun ção L ília M A Santos Amel Ounnar Dalila Zitouni Abdessalam Berrached Source Type: research

Indigenous microalgae strains characterization for a sustainable biodiesel production
This study identified and analyzed indigenous microalgae strains for biodiesel production, specifically Chlorella vulgaris and Coelastrella thermophila var. globulina, from two distinct locations in Algeria. Molecular identification confirmed their identity, and the microalgae exhibited notable growth characteristics. Local Chlorella vulgaris and Coelastrella thermophila var. globulina showed a good growth and high biomass yield, compared to Chlorella vulgaris CCAP211/11B reaching a weight of 1.48 g/L, 1.95g/L and 2.10 g/L, respectively. Lipids content of local Chlorella vulgaris, Coelastrella thermophila var. globulina, a...
Source: Biotechnology Journal - December 5, 2023 Category: Biotechnology Authors: Mohammed Amouri Majda Aziza Fayrouz Kaidi Maryline Abert Vian Farid Chemat Abdeltif Amrane Mariana F G Assun ção L ília M A Santos Amel Ounnar Dalila Zitouni Abdessalam Berrached Source Type: research

Indigenous microalgae strains characterization for a sustainable biodiesel production
This study identified and analyzed indigenous microalgae strains for biodiesel production, specifically Chlorella vulgaris and Coelastrella thermophila var. globulina, from two distinct locations in Algeria. Molecular identification confirmed their identity, and the microalgae exhibited notable growth characteristics. Local Chlorella vulgaris and Coelastrella thermophila var. globulina showed good growth and high biomass yield, compared to Chlorella vulgaris CCAP211/11B reaching a weight of 1.48 g L-1 , 1.95 g L-1 , and 2.10 g L-1 , respectively. Lipids content of local Chlorella vulgaris, Coelastrella thermophila var. glo...
Source: Biotechnology Journal - December 5, 2023 Category: Biotechnology Authors: Mohammed Amouri Majda Aziza Fayrouz Kaidi Maryline Abert Vian Farid Chemat Abdeltif Amrane Mariana F G Assun ção L ília M A Santos Amel Ounnar Dalila Zitouni Abdessalam Berrached Source Type: research

Influence of super-optimal light intensity on the acetic acid uptake and microalgal growth in mixotrophic culture of Chlorella sorokiniana in bubble-column photobioreactors
This study seeks to determine the influence of super-optimal light intensity on acetic acid uptake and its associated impact on the cellular composition of Chlorella sorokiniana in a semi-batch mixotrophic cultivation setup. Unicellular green microalga Chlorella sorokiniana is grown in a 1L bubble-column photobioreactor at light intensities from 6000 to 14,000 lx (≈81 to 189 µmol.photons.m-2.s-1). We find that microalgal acetic acid utilization reduces as illumination increases from an optimal 10,000 lx (≈135 µmol.photons.m-2.s-1) to a super-optimal zone (>10000 lx). This lowers microalgal growth (2.75 g/L) and ac...
Source: Bioresource Technology - December 4, 2023 Category: Biotechnology Authors: Gourab Ghosh Sushrunsha Bhimrao Daile Saikat Chakraborty Arnab Atta Source Type: research

Influence of super-optimal light intensity on the acetic acid uptake and microalgal growth in mixotrophic culture of Chlorella sorokiniana in bubble-column photobioreactors
This study seeks to determine the influence of super-optimal light intensity on acetic acid uptake and its associated impact on the cellular composition of Chlorella sorokiniana in a semi-batch mixotrophic cultivation setup. Unicellular green microalga Chlorella sorokiniana is grown in a 1L bubble-column photobioreactor at light intensities from 6000 to 14,000 lx (≈81 to 189 µmol.photons.m-2.s-1). We find that microalgal acetic acid utilization reduces as illumination increases from an optimal 10,000 lx (≈135 µmol.photons.m-2.s-1) to a super-optimal zone (>10000 lx). This lowers microalgal growth (2.75 g/L) and ac...
Source: Bioresource Technology - December 4, 2023 Category: Biotechnology Authors: Gourab Ghosh Sushrunsha Bhimrao Daile Saikat Chakraborty Arnab Atta Source Type: research

Application of ANN-MOGA for nutrient sequestration for wastewater remediation and production of polyunsaturated fatty acid (PUFA) by Chlorella sorokiniana MSP1
Chemosphere. 2023 Dec 1:140835. doi: 10.1016/j.chemosphere.2023.140835. Online ahead of print.ABSTRACTChlorella bears excellent potential in removing nutrients from industrial wastewater and lipid production enriched with polyunsaturated fatty acids. However, due to the changing nutrient dynamics of wastewater, growth and metabolic activity of Chlorella are affected. In order to sustain microalgal growth in wastewater with concomitant production of PUFA rich lipids, RSM (Response Surface Methodology) followed by heuristic hybrid computation model ANN-MOGA (Artificial Neural Network- Multi-Objective Genetic Algorithm) were ...
Source: Chemosphere - December 3, 2023 Category: Chemistry Authors: Mohneesh Kalwani Arti Kumari Shalini G Rudra Deepak Chhabra Sunil Pabbi Pratyoosh Shukla Source Type: research

Application of ANN-MOGA for nutrient sequestration for wastewater remediation and production of polyunsaturated fatty acid (PUFA) by Chlorella sorokiniana MSP1
Chemosphere. 2023 Dec 1:140835. doi: 10.1016/j.chemosphere.2023.140835. Online ahead of print.ABSTRACTChlorella bears excellent potential in removing nutrients from industrial wastewater and lipid production enriched with polyunsaturated fatty acids. However, due to the changing nutrient dynamics of wastewater, growth and metabolic activity of Chlorella are affected. In order to sustain microalgal growth in wastewater with concomitant production of PUFA rich lipids, RSM (Response Surface Methodology) followed by heuristic hybrid computation model ANN-MOGA (Artificial Neural Network- Multi-Objective Genetic Algorithm) were ...
Source: Chemosphere - December 3, 2023 Category: Chemistry Authors: Mohneesh Kalwani Arti Kumari Shalini G Rudra Deepak Chhabra Sunil Pabbi Pratyoosh Shukla Source Type: research

Application of ANN-MOGA for nutrient sequestration for wastewater remediation and production of polyunsaturated fatty acid (PUFA) by Chlorella sorokiniana MSP1
Chemosphere. 2023 Dec 1:140835. doi: 10.1016/j.chemosphere.2023.140835. Online ahead of print.ABSTRACTChlorella bears excellent potential in removing nutrients from industrial wastewater and lipid production enriched with polyunsaturated fatty acids. However, due to the changing nutrient dynamics of wastewater, growth and metabolic activity of Chlorella are affected. In order to sustain microalgal growth in wastewater with concomitant production of PUFA rich lipids, RSM (Response Surface Methodology) followed by heuristic hybrid computation model ANN-MOGA (Artificial Neural Network- Multi-Objective Genetic Algorithm) were ...
Source: Chemosphere - December 3, 2023 Category: Chemistry Authors: Mohneesh Kalwani Arti Kumari Shalini G Rudra Deepak Chhabra Sunil Pabbi Pratyoosh Shukla Source Type: research

Length-dependent toxic effects of microplastic fibers on Chlorella pyrenoidosa
In this study, we scrutinized the toxicological implications of microplastic fibers (MFs) spanning four distinct lengths (50 μm, 100 μm, 150 μm, and 200 μm) on the protein-nucleated algae Chlorella pyrenoidosa over a six-day period. The study unequivocally demonstrated that MFs markedly impeded C. pyrenoidosa growth, diminished photosynthetic pigment content, and induced oxidative stress, with all observed effects exhibiting a length-dependent correlation. Electron microscopy further revealed notable damage to algal cell membranes. Cell membrane shrinkage, cytoplasm outflow, and abnormalities in cell division were obse...
Source: Environmental Pollution - November 29, 2023 Category: Environmental Health Authors: Yingying Zhang Jian Ju Xiaodong Long Mingzhen Zhu Yinan Jiang Hui Yang Source Type: research

EPS-corona formation on graphene family nanomaterials (GO, rGO and graphene) and its role in mitigating their toxic effects in the marine alga Chlorella sp
Environ Pollut. 2023 Nov 24:123015. doi: 10.1016/j.envpol.2023.123015. Online ahead of print.ABSTRACTGFNs have widespread applications but can harm marine systems due to excessive use and improper disposal. Algae-secreted EPS can mitigate nanomaterial harm, but their impact on GFN toxicity is understudied. Hence, in the present study, we investigated the toxicity of three GFNs, graphene oxide (GO), reduced graphene oxide (rGO), and graphene, in pristine and EPS-adsorbed forms in the marine alga Chlorella sp. At an environmentally relevant concentration of 1 mgL-1, all three GFNs induced considerable oxidative stress and im...
Source: Environmental Pollution - November 26, 2023 Category: Environmental Health Authors: Abhrajit Debroy Namrata Roy Sayani Giri Mrudula Pulimi N Chandrasekaran Willie J G M Peijnenburg Amitava Mukherjee Source Type: research

EPS-corona formation on graphene family nanomaterials (GO, rGO and graphene) and its role in mitigating their toxic effects in the marine alga Chlorella sp
Environ Pollut. 2023 Nov 24:123015. doi: 10.1016/j.envpol.2023.123015. Online ahead of print.ABSTRACTGFNs have widespread applications but can harm marine systems due to excessive use and improper disposal. Algae-secreted EPS can mitigate nanomaterial harm, but their impact on GFN toxicity is understudied. Hence, in the present study, we investigated the toxicity of three GFNs, graphene oxide (GO), reduced graphene oxide (rGO), and graphene, in pristine and EPS-adsorbed forms in the marine alga Chlorella sp. At an environmentally relevant concentration of 1 mgL-1, all three GFNs induced considerable oxidative stress and im...
Source: Environmental Pollution - November 26, 2023 Category: Environmental Health Authors: Abhrajit Debroy Namrata Roy Sayani Giri Mrudula Pulimi N Chandrasekaran Willie J G M Peijnenburg Amitava Mukherjee Source Type: research

Impact of mixed microalgal and bacterial species on organic micropollutants removal in photobioreactors under natural light
This study shows for the first time how microbial community composition and abundance are key for OMPs removal.PMID:38000642 | DOI:10.1016/j.biortech.2023.130083 (Source: Bioresource Technology)
Source: Bioresource Technology - November 24, 2023 Category: Biotechnology Authors: Kaiyi Wu Tino Leliveld Hans Zweers Huub Rijnaarts Alette Langenhoff T ânia V Fernandes Source Type: research